package com.woniuxy.interceptor;

import com.woniuxy.entity.User;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //从session拿到user信息
        User userInfo =(User)request.getSession().getAttribute("userInfo");
        if(userInfo==null){
            response.sendRedirect("/user/login");
            return false;
        }
        return true;
    }
}
